Quantitative Data Analysis

What is the primary goal of data analysis?

• To store data

• To collect data

• To make meaning from the data

• To visualize data

Which of the following is NOT a part of the analysis process?

• Ignore research questions

• Describe the data clearly

• Identify typical and atypical data

• Bring to light patterns in the data

What type of statistics focuses on describing and summarizing data?

• Qualitative statistics

• Inferential statistics

• Descriptive statistics

• Predictive statistics

In a data set, what do the rows typically represent?

• Charts

• Statistics

• Cases (individuals)

• Variables

What is the purpose of exploratory analysis?

• To analyze qualitative data

• To collect data

• To identify specific values and trends

• To confirm hypotheses

Which of the following is a graphic representation of data?

• Table

• Histogram

• Text description

• Data entry form

What does a histogram show?

• Relationships between variables

• Trends over time

• Frequencies and shape of a quantitative variable

• Frequencies of categorical variables

What is the mean in statistics?

• The most frequently occurring value

• The middle value

• The highest value

• The average of all data values

What does standard deviation measure?

• The average value of a dataset

• The difference between values

• The total number of values

• The highest value in a dataset

Which of the following is a key point in quantitative data analysis?

• Data must be ignored

• Data should be collected randomly

• Data must be analyzed to produce information

• Data should not be prepared